added more C callbacks for exotic objects (#324)

1 files changed, 11 insertions, 0 deletions

diff --git a/quickjs.h b/quickjs.h
index a75d990..8814222 100644
--- a/quickjs.h
+++ b/quickjs.h
@@ -501,6 +501,17 @@ typedef struct JSClassExoticMethods {
     /* return < 0 if exception or TRUE/FALSE */
     int (*set_property)(JSContext *ctx, JSValueConst obj, JSAtom atom,
                         JSValueConst value, JSValueConst receiver, int flags);
+
+    /* To get a consistent object behavior when get_prototype != NULL,
+       get_property, set_property and set_prototype must be != NULL
+       and the object must be created with a JS_NULL prototype. */
+    JSValue (*get_prototype)(JSContext *ctx, JSValueConst obj);
+    /* return < 0 if exception or TRUE/FALSE */
+    int (*set_prototype)(JSContext *ctx, JSValueConst obj, JSValueConst proto_val);
+    /* return < 0 if exception or TRUE/FALSE */
+    int (*is_extensible)(JSContext *ctx, JSValueConst obj);
+    /* return < 0 if exception or TRUE/FALSE */
+    int (*prevent_extensions)(JSContext *ctx, JSValueConst obj);
 } JSClassExoticMethods;
 
 typedef void JSClassFinalizer(JSRuntime *rt, JSValue val);